In row 1- A, B, C, D, E and F are seated facing the north, whereas in row 2- P, Q, R, S, T and U are seated facing the south direction but not necessarily in the same order.
Either R or S sit at the end of a row. Three persons sit between R and Q. Q sits adjacent to P.
S sits second to the left of P.
Case 1 is invalid as either R or S sit at the end of a row.
B, an immediate neighbour of D, sits opposite to U. A sits fourth to the left of B. E and F are immediate neighbours. D sits third to the right of F.
Case A
Case B
B sits opposite to U. T sits opposite to C. Hence, case 2 will become invalid. So the final arrangement is
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